<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <h1>{{text}}</h1>
        <input type="text" :value="text" @input="changeText">
        <input type="text" v-model="text"> 
        <input type="checkbox" v-model="text">
    </div>

    <script src="./vue.js"></script>
    <script>
        const vue=new Vue({
            el:'#app',
            data:{
                text:'我是弹框',
                flag:false,
            },
            methods: {
                changeText(e) {
                    console.log(e.target.value);
                    this.text=e.target.value
                },
            },
        })
    </script>
</body>
</html>